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How much faster is MRR in ECH when compared to the conventional internal grinding?

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in Advanced Machining by (962k points)
How much faster is MRR in ECH when compared to the conventional internal grinding?

(a) 2 times

(b) 4 times

(c) 6 times

(d) 8 times

I have been asked this question by my school principal while I was bunking the class.

Question is from ECH-Process Characteristics, Applications in section Hybrid Electrochemical Processes of Advanced Machining

1 Answer

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Best answer
The correct choice is (b) 4 times

For explanation: Material removal rate in ECH is nearly 4 times faster than that of the internal cylindrical grinding.

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